Zip Code 63033
Florissant, Missouri — St. Louis County
📍 ZIP code 63033 is in Florissant, St. Louis County, Missouri.
ZIP code 63033 is located in Florissant, St. Louis County, Missouri. It is a zip code in the Central (CST/CDT) Time Zone with an estimated population of 42,258. The area code for ZIP code 63033 is 314.
Quick Answer
Zip code 63033 is in Florissant, Missouri (St. Louis County). It has a population of 42,258, median household income of $63,979, and median home value of $157,400.
Population
42,258
Income
$63,979
Home Value
$157,400
Climate
90°F / 24°F
About Zip Code 63033
Zip code 63033 is located in Florissant, Missouri, within St. Louis County. Home to approximately 42,258 residents, this area sits at an elevation of 523 ft and falls within the Central (CST/CDT) timezone. The local area code is 314.
The median household income is $63,979 per year, which is below the national median of $70,784. Homes in this zip code have a median value of $157,400, and the cost of living index is 65 (35% below the national average of 100).
Summers average a high of 90°F while winters drop to 24°F. The area receives about 42 in of rain and 17 in of snow annually. The zip code covers 12.3 square miles of land area.
Key Statistics
42,258
$63,979
$157,400
Central (CST/CDT)
314
523 ft
12.3 sq mi
37.1
18,637
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Compare With Nearby Zip Codes
| Metric | 63033 | 63034 | 63135 | 63136 | 63031 | 63138 |
|---|---|---|---|---|---|---|
| City | Florissant, MO | Florissant, MO | Saint Louis, MO | Saint Louis, MO | Florissant, MO | Saint Louis, MO |
| Population | 42,258 | 19,557 | 19,446 | 41,314 | 50,258 | 18,736 |
| Median Income | $63,979 | $110,491 | $55,179 | $40,388 | $71,783 | $51,714 |
| Home Value | $157,400 | $234,200 | $95,500 | $77,300 | $144,500 | $124,500 |
| Cost of Living | 65 | 104 | 60 | 60 | 66 | 60 |
| Median Age | 37.1 | 40 | 37.5 | 35.7 | 38.1 | 34.5 |
Cost of Living
100 = National Average. Florissant's cost of living is 35% below the national average.
vs. State Avg
Below
Affordability
Very Affordable
Income-to-Home
2.5x
Demographics
Zip code 63033 has a population of 42,258 people with a median age of 37.1. There are 18,637 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Florissant (63033) population trend from 2010 to 2024
↓ -22.6%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
90°F
24°F
42 in
17 in
Florissant experiences hot summers with average highs around 90°F. Winters are cool with lows averaging 24°F. The area receives about 17 in of snow per year.
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Housing & Economy
Median Home Value
$157,400
Median Household Income
$63,979
With 18,637 housing units across 12.3 square miles, 63033 has a housing density of 1,515 units per square mile. The home price-to-income ratio is 2.5x.
Location & Geography
Latitude
38.7984°
Longitude
-90.2742°
Land Area
12.3 sq mi
Water Area
0 sq mi
Nearby Zip Codes
Zip codes closest to 63033 (Florissant, MO) with distances:
All Zip Codes in Florissant, MO
Other zip codes serving Florissant:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 63033's $63,979. A way to compare Florissant to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 63033 (Florissant, MO). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Florissant, Missouri?
Florissant, Missouri uses zip code 63033 along with 2 other zip codes.
What county is zip code 63033 in?
Zip code 63033 is located in St. Louis County, Missouri.
What is the population of zip code 63033?
The population of zip code 63033 is 42,258 with a median age of 37.1.
Is 63033 in Florissant, Missouri?
Yes, zip code 63033 is in Florissant, St. Louis County, Missouri. The area code is 314.
Frequently Asked Questions
What city is zip code 63033 in?
Zip code 63033 is in Florissant, Missouri. It is part of St. Louis County and uses the Central (CST/CDT) timezone.
What is zip code 63033?
Zip code 63033 is a U.S. postal code in Florissant, Missouri (St. Louis County). It has a population of 42,258 and covers 12.3 square miles.
What is the population of zip code 63033?
The population of zip code 63033 (Florissant, MO) is 42,258 with a median age of 37.1. There are approximately 18,637 housing units in this area.
What is the median income in zip code 63033?
The median household income in zip code 63033 (Florissant, MO) is $63,979 per year. The cost of living index is 65 (100 = national average).
What is the average home price in zip code 63033?
The median home value in zip code 63033 (Florissant, MO) is $157,400. The cost of living index is 65 compared to the national average of 100.
What county is zip code 63033 in?
Zip code 63033 is located in St. Louis County, Missouri. The primary city is Florissant.
What is the area code for zip code 63033?
Zip code 63033 in Florissant, MO uses area code 314. It is located in the Central (CST/CDT) timezone.
Is zip code 63033 a good place to live?
Zip code 63033 (Florissant, MO) has a cost of living index of 65 (100 = national average), a median household income of $63,979, and median home values of $157,400. The median age is 37.1. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 63033?
The cost of living index for zip code 63033 (Florissant, MO) is 65, where 100 represents the national average. This area is below the national average. Median home value: $157,400.
What schools serve zip code 63033?
Zip code 63033 in Florissant, Missouri is served by the local school district of St. Louis County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.